Swing Gearbox Fit for Excavator Volvo VOL240
Swing Gearbox Fit for Excavator Volvo VOL240
The Swing Gearbox, also known as the Swing Drive, is a crucial component of an excavator that enables it to rotate 360 degrees. Here are some of its main functions:
- Provides torque to rotate the excavator superstructure
- Allows the operator to control the speed and direction of the rotation
- Transmits power from the hydraulic motor to the excavator's slew ring

Installation and Function
The Swing Gearbox is installed on the excavator's superstructure and works in tandem with the slew ring. When the operator controls the joystick to rotate the superstructure, the hydraulic motor sends fluid to the Swing Gearbox, which transmits the power to the pinion gear. The pinion gear meshes with the internal gear, which is fixed to the slew ring, causing the excavator to rotate. Here's an image of its location:

As the pinion gear rotates, it also rotates the carrier. The carrier holds the planetary gears, which are in turn connected to the motor shaft. When the motor shaft rotates, it drives the hydraulic pump, and the cycle repeats.
Compatibility with Excavator Volvo VOL240
Our Swing Gearbox is designed to fit perfectly with Excavator Volvo VOL240. Before purchasing, the following parameters need to be confirmed:
| Parameter | Description |
|---|---|
| Brand | Volvo |
| Model | VOL240 |
| Application | Excavator |
| Part Number | XXXXXX |
When to Replace Swing Gearbox
Here are some signs that indicate it's time to replace the Swing Gearbox:
- Unusual noise during rotation
- Reduced speed or power during rotation
- Leakage of hydraulic fluid from the gearbox
- Excessive wear and tear of the components
Maintenance Tips
Here are some maintenance tips that can help prolong the lifespan of the Swing Gearbox:
- Regularly check the oil level and replace the oil if necessary
- Keep the gearbox clean and free from debris and dirt
- Inspect the components for wear and tear and replace them if necessary
- Follow the manufacturer's guidelines for maintenance and servicing
Compatible Brands and Models
Our Swing Gearbox is compatible with a wide range of excavator brands and models, including but not limited to:
- Caterpillar
- Hitachi
- Komatsu
- Hyundai
- Doosan
Please note that we do not sell any of the above brands' products. We only mention them to help customers make an informed decision.
About Our Company
We are a company specializing in producing high-quality engineering machinery spare parts, including walking reducer assemblies, rotary reducer assemblies, gears, gear rings, transmission shafts, planetary frames, hubs, pump shells, rotary shaft seats, end covers, washers, bearings, oil seals, and other supporting products. Our company has more than 12,000 kinds of transmission mechanism spare parts for excavators and bulldozers, which are suitable for over 647 machine models. We have various production equipment, excellent processing technology, and a high-quality production, design, and marketing team.
Product Quick Detail:
- Standard and non-standard available
- With high quality and competitive price
- Prompt delivery
- Packing as per customer’s demand.
We promise will offer the best price by the high quality in china! We also accept special order about the products. If you are interested in our products. Please do not hesitate to let us know.We are pleased to give you the detailed information.We promise that our products would be safety and were in high quality and reasonable price. If you are interested in our products, please contact us asap.We are sincerely looking for your cooperation.
Most of our products are exported to Europe or Americas, both standard and nonstandard products available. We can produce as per your drawing or sample. Material can be standard or as per your special request. If you choose us, you choose reliable.

Materials Available
1. Stainless Steel: SS201, SS303, SS304, SS316, SS416, SS420
2. Steel:C45(K1045), C46(K1046),C20
3. Brass:C36000 ( C26800), C37700 ( HPb59), C38500( HPb58), C27200(CuZn37), C28000(CuZn40)
4. Bronze: C51000, C52100, C54400, etc
5. Iron: 1213, 12L14,1215
6. Aluminum: Al6061, Al6063
7.OEM according to your request
Surface Treatment
Annealing, natural canonization, heat treatment, polishing, nickel plating, chrome plating, zinc plating,yellow passivization, gold passivization, satin, Black surface painted etc.
Processing Method
CNC machining, punch,turning, milling, drilling, grinding, broaching, welding and assembly
QC & Certificate
Technicians self-check in production,final-check before package by professional Quality inspector
ISO9001:2008 , ISO14001:2001,ISO/TS 16949:2009
Package & Lead Time
Size: Drawings
Wooden Case/Container and pallet, or as per customized specifications.
15-25days samples. 30-45days offcial order
Port: Shanghai/Ningbo port


